Ilya Dryomov 4d73644bc3 rbd: don't retry watch reregistration if header object is gone
If the header object gets deleted (perhaps along with the entire pool),
there is no point in attempting to reregister the watch.  Treat this
the same as blacklisting: fail all pending and new I/Os requiring the
lock.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2016-10-15 23:22:09 +02:00
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